CVE-2021-24186 json
Tutor LMS < 1.8.3 - SQL Injection via tutor_answering_quiz_question/get_answer_by_id
published 2021-04-05 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11100
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
The tutor_answering_quiz_question/get_answer_by_id function pair from the Tutor LMS – eLearning and online course solution WordPress plugin before 1.8.3 was vulnerable to UNION based SQL injection that could be exploited by students.
Patch / fix
- themeum tutor_lms 1.8.3
Exploit prediction
1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wordfence.com https://www.wordfence.com/blog/2021/03/several-vulnerabilities-patched-in-tutor-lms-plugin/ referenced PoC, tagged "exploit" by a source, unverified
- wpscan.com https://wpscan.com/vulnerability/5f5c0c6c-6f76-4366-b590-0aab557f8c60 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- Unknown Tutor LMS – eLearning and online course solution
Classification
- Weakness
-
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command
- Technology feeds
References
-
wordfence.com
/blog/2021/03/several-vulnerabilities-patched-in-tutor-lms-plugin/
exploit, third-party-advisory
-
wpscan.com
/vulnerability/5f5c0c6c-6f76-4366-b590-0aab557f8c60
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24186
- NVD CVE-2021-24186
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.